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Manuals
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LG Manuals
Cell Phone
U250
Service manual
LG U250 Service Manual page 66
Lg cell phone user manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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3.11.8.2. Audio Mode
There are three audio modes (Voice call, speaker phone, MIDI/MP3).
MODE
Voice Call
Speaker phone
MIDI
MP3
Audio & Sound Main Component
There are 6 main components in U250/KU250.
Component
1
MSM6245
2
Audio amp
3
Analog Switch
4
Speaker/Receiver
5
MIC
6
Ear jack
Device
Description
Receiver Mode
Receiver Voice Call
Loud Mode
Speaker Phone
Headset
Headset Voice Call
Loud Mode
Speaker Phone
Loud Mode
Speaker MIDI Bell
Headset
Headset MIDI Bell
Loud Mode
Speaker MP3
Headset
Headset MP3
Table. Audio Mode
Design No.
Maker Part No.
U201
MSM6245
U402
NCP2890DMR2
U401
NLAS5223BMNR2G
EMS1810TP
MIC400
OB4-15L42-C33L
RMBLGG080STSB
Table. Audio main component list
- 67 -
3. TECHNICAL BRIEF
Note
Base-Band Modem
1W Audio Amp
Dual Analog Switch
Speaker/Receiver
-42 dB microphone
Ear jack
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Table of Contents
Troubleshooting
TROUBLE SHOOTING
72
Power ON Troubleshooting
93
Charger Troubleshooting
95
USB Troubleshooting
98
SIM Detect Troubleshooting
99
Camera Troubleshooting
101
Keypad Backlight Troubleshooting
104
Main LCD Troubleshooting
105
Troubleshooting Download Errors
128
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